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Wilfredor
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SQL
-- Selecting Wikimedia Commons Database USE commonswiki_p; -- Parameter of the query (Category to look for) SET @cat = "Files_by_The_Photographer"; SELECT /* SLOW_OK */ SUM(image.img_height*image.img_width) AS total_size FROM image CROSS JOIN page ON image.img_name = page.page_title CROSS JOIN categorylinks ON page.page_id = categorylinks.cl_from WHERE categorylinks.cl_to = @cat ;
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